The line, “In Corners – till a Day” just told us how long and where the speaker’s life has stood. The “Owner” is another character who evidently has identified the speaker’s life. Now, the speaker and her life are being carried away.
The second and third stanza states, respectively:
And now We roam in Sovereign Woods –
And now We hunt the Doe –
And every time I speak for Him –
The Mountains straight reply